We have a IBM HX5 with ESXi 5.0 update 3 installed. The blade frequently encounters the purple screen issue. For most time, it is PF relevant errors, but Today it has some new - Spin count exceeded. I have run the hardware diagnostic tool multiple times, but caught nothing. But I still think it is … Continue reading Update Emulex 10G NIC driver (be2net) in ESXi 5.X
Category: Virtualization
Convert Lazy Zeroed Disk to Eager Zeroed Disk
We plan to build a new file server cluster by utilizing couple existing Windows 2012 R2 in the VMware 5.5 farm. According to the VMware KB, the system drive has to be created with Eager Zeroed disk, I think the reason is to have low disk latency otherwise the high disk latency may lead to failover. The … Continue reading Convert Lazy Zeroed Disk to Eager Zeroed Disk
VMware Product Walkthrough
High disk latency in Microsoft cluster on ESXi
We have a new Windows 2012 R2 file server cluster running on ESXi 5.0 update 2. My colleague told me that the disk performance is terrible when he tried to use robocopy to migrate some big data to the new clusters. In the resource monitor, the worst disk response time is up to 36,000 ms!! … Continue reading High disk latency in Microsoft cluster on ESXi
ESXi datastore with corrupted partition table
My colleague told me that he always failed to vmotion virtual machines to a particular datastore. The error message does not have much information, it just says the virtual machine files on the destination datastore is not accessible even the vmotion has not started yet.I found some relevant information in the vmkernel log: 2014-03-26T04:36:20.189Z cpu28:6188)NMP: nmp_ThrottleLogForDevice:2318: … Continue reading ESXi datastore with corrupted partition table